Image credit: Wikimedia Commons As oil and natural gas reserves are being depleted, the world’s attention is increasingly turning to plant-based energy sources. These include food crops, forest industry byproducts, sugar industry byproducts, plantations of fast-growing trees, crop residues, and urban tree and yard wastes—all of which can be used for electrical generation, heating, or the production of automotive fuels…. Read the full story on TreeHugger
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The Growing Potential and Rooted Limitations of Biofuels
